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annotate TODO @ 138:3e205fab11cb noffle

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[svn] Added filter.c, filter.h
author enz
date Sun, 10 Sep 2000 12:33:42 +0100
parents 7c7a7c96d35b
children fbbdc46429b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -------------------------------------------------------------------------------
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2 NOFFLE Todolist
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3 -------------------------------------------------------------------------------
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4
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5 Urgent
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6 ------
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7
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8 * Has Client_connect resource leaks if it fails?
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9
126
7c7a7c96d35b [svn] Release-1-0 merge
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10 * Bug: Lock_closeDatabases must do a Cont_write() if dirty and Lock_openDatabases()
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11 should check if it is necessary to reread the group content using a timestamp.
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12
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13 Later
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14 -----
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15
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a0a96e1021c3 [svn] Performance of group database
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16 * Improve performance of group database. Using GDBM is a bad choice,
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17 better use a btree from the Berkeley db library in libc.
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18 This will be a good time for a redesign of the group.h interface
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19 with respect to process concurrency if the simple global locking strategy
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20 will be changed in the future.
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21
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22 * Add "hostname" config option for setting the FQHN in generated message IDs.
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23
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24 * Read timeout when running as server and automatically close if client
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25 does not send data for a longer time.
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26
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27 * Implement simple filter using popen or fifos.
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28
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29 * Make compatible to latest NNTP draft.
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31 * Improve speed of online mode: Keep connection to server open for a while
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32
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33 * Check all in
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34 http://mars.superlink.net/user/tal/writings/news-software-authors.html
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35 (Use NOV library? Use inews for validating posted articles? ... )
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36
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37 * Store requested articles by group + number. This would allow to create
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38 pseudo-groups (like <groupname>.requested) that contained only fully
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39 downloaded articles in overview mode (very nice and clever
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40 idea sent in by a user, it would make using overview mode much easier).
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41 Second advantage: Noffle would work with servers that have retrieving
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42 articles by message-id disabled.
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43
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44 * Expire should clean up empty request/outgoing directories, so they will not
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45 exists forever after a server change.
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46
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47 * Do not log program abortion due to SIGINT, if no inconsistency can occur,
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48 (e.g. when calling 'noffle -d' to a pipe and next program terminates or
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49 pressing ^C).
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50
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51 * Improve www page and documentation.
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52
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53 * Keeping the content list for several lock/unlock times could lead to
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54 inconsistent results, because content list is maybe modified by
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55 pseudo articles. Check this!
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56
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57 * Optimize NEWGROUPS (extra list?)
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58
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59 * Add noffle query option for checking all groups, if they are still
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60 available at the remote server(s) and delete them otherwise.
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61
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62 * In online mode, retrieve full article header from remote server if client
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63 sends a HEAD command. Presently, only the header lines from the overview
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64 are returned and the article is only retrieved on an ARTICLE or BODY command.
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65 The reason for this was that some readers (like pine) retrieve the group
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66 overview by sending lots of HEAD commands and their performance would badly
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67 suffer. On the other hand, some readers (like slrn) cache the header from
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68 a HEAD command, even if a following ARTICLE command gets more header lines,
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69 so that not all header lines are available when reading news in online mode,
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70 before the next start of the reader. But some header lines (e.g. Reply-To)
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71 are important.
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72 Maybe make the behaviour configurable.
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73
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75 Some day far away
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76 -----------------
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77
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78 * Understand supersedes header (useful for reading news.answers group)
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79
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80 * Get and execute cancel messages (read control.cancel, but use xpat to get
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81 only cancels for groups in fetchlist). Seems to be expensive (20000 headers
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82 a day, takes the remote server to search through)
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83